neovim_config/lua/barink/plugins/lsp.lua

return
    {
        'neovim/nvim-lspconfig',
        dependencies = {
            {
                "folke/neoconf.nvim",
                opts = {}
            },
            "williamboman/mason-lspconfig",
            "williamboman/mason.nvim",
            "hrsh7th/cmp-nvim-lsp",
            "hrsh7th/cmp-buffer",
            "hrsh7th/cmp-path",
            "hrsh7th/cmp-cmdline",
            "hrsh7th/nvim-cmp",
            {
                'L3MON4D3/LuaSnip',
                 dependencies = 'hrsh7th/nvim-cmp',
                 version = "v2.*",
            },
            {'mfussenegger/nvim-jdtls', dependencies = {'nvim-dap'}},
        },
        config = function()
            require("mason").setup()
            require("mason-lspconfig").setup({
                ensure_installed = { "lua_ls", "bashls", "rust_analyzer" }
            })
            local cmp = require('cmp')
            cmp.setup({
                snippet = {
                    expand = function(args)
                        require('luasnip').lsp_expand(args.body)
                    end,
                },
                mapping = cmp.mapping.preset.insert({
                    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
                    ['<C-f>'] = cmp.mapping.scroll_docs(4),
                    ['<C-Space>'] = cmp.mapping.complete(),
                    ['<C-e>'] = cmp.mapping.abort(),
                    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
                }),
                sources = cmp.config.sources({
                    { name = 'path' },
                    { name = 'nvim_lsp', keyword_length = 1 },
                    { name = 'luasnip', option = { show_autosnippets = true}},
                }, {
                    { name = 'buffer', keyword_length = 2 },
                }),
                window = {
                    documentation = cmp.config.window.bordered()
                },

            })

            -- Set configuration for specific filetype.
            cmp.setup.filetype('gitcommit', {
                sources = cmp.config.sources({
                    { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
                }, {
                    { name = 'buffer' },
                })
            })

            -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
            cmp.setup.cmdline({ '/', '?' }, {
                mapping = cmp.mapping.preset.cmdline(),
                sources = {
                    { name = 'buffer' }
                }
            })

            -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
            cmp.setup.cmdline(':', {
                mapping = cmp.mapping.preset.cmdline(),
                sources = cmp.config.sources({
                    { name = 'path' }
                }, {
                    { name = 'cmdline' }
                }),
                matching = { disallow_symbol_nonprefix_matching = false }
            })

            local lsp = require("lspconfig")
            lsp.lua_ls.setup({
                capabilities = require('cmp_nvim_lsp').default_capabilities(),
                settings = {
                    Lua = {
                        diagnostics = {
                            globals = { 'vim' }
                        }
                    }
                }
            })
            local ls = require("luasnip")
            ls.config.set_config({
                history = true,
                updateevents = "TextChanged, TextChangedI",
                enable_autosnippets = true,
            })

            vim.keymap.set({"i", "s"}, "<C-K>", function() ls.expand() end, {silent = true})
            vim.keymap.set({"i", "s"}, "<C-L>", function() ls.jump(1) end, {silent = true })
            vim.keymap.set({"i", "s"}, "<C-J>", function() ls.jump(-1) end, {silent = true})
            vim.keymap.set({"i", "s"}, "<C-E>", function()
                if ls.choice_active() then
                    ls.change_choice(1)
                end
            end, {silent = true})

            require("luasnip.loaders.from_lua").load({paths= "C:\\Users\\nigel\\AppData\\Local\\nvim\\lua\\snippets"})

            -- Set up lspconfig.
            local capabilities = require('cmp_nvim_lsp').default_capabilities()

            require('lspconfig')['asm_lsp'].setup({
                capabilities = capabilities
            })
            local root_files = {
                'premake5.lua',
                '.clang-tidy',
                '.clang-format',
                'compile_commands',
                'compile_commands.json',
                'compile_flags.txt',
                'configure.ac',
                '.git'
            }
            local util = require('lspconfig.util')
            require('lspconfig')['clangd'].setup({
                capabilities = capabilities,
                filetypes= { 'c', 'cpp', 'objc', 'objcpp', 'cuda', 'proto' },
                cmd = { 'clangd' },
                single_file_support = true,
                root_dir = function (fname)
                    return util.root_pattern(unpack(root_files))(fname)
                end
            })

            require('lspconfig')['zls'].setup({
                capabilities = capabilities
            })

            require('lspconfig')['rust_analyzer'].setup({
                capabilities = capabilities
            })

            require('lspconfig')['jdtls'].setup({
                capabilities = capabilities
            })

            require('lspconfig')['bashls'].setup({
                capabilities = capabilities
            })

            require('lspconfig')['gopls'].setup({
                capabilities = capabilities
            })

            require('lspconfig')['tsserver'].setup({
                capabilities = capabilities
            })
        end
    }